This 4-in-1 Pyrex 1.1L rectangular dish is suitable for cooking (without the lid), freezing, storing and reheating. Thanks to the steam valve on the lid of the product, the dish is ideal for microwave cooking as well as reheating. Furthermore, the Pyrex rectangular dish is completely air and liquid tight, enabling easy transport - ideal for picnics or packed lunches. This dish has a manufacturer's guarantee of 10 years.